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Table B.1

Light and α element abundance measurements for the Cepheids in our sample.

Star Na Mg Al Si S Ca Fe
dex dex dex dex dex dex dex

AAGem –0.26 ± 0.00 (1) –0.24 ± 0.10 (11) –0.24 ± 0.00 (1) –0.37 ± 0.14 (2) –0.35 ± 0.08 (75)
ADGem –0.05 ± 0.00 (1) –0.05 ± 0.05 (2) –0.08 ± 0.09 (4) –0.11 ± 0.15 (14) –0.19 ± 0.00 (1) –0.11 ± 0.14 (6) –0.19 ± 0.13 (119)
ADPup 0.04 ± 0.13 (2) 0.02 ± 0.12 (2) -0.09 ± 0.18 (6) -0.10 ± 0.09 (13) 0.05 ± 0.00 (1) -0.02 ± 0.09 (3) –0.20 ± 0.12 (114)
AHVel 0.53 ± 0.05 (x) 0.14 ± 0.10 (x) 0.16 ± 0.12 (x) 0.12 ± 0.15 (x) 0.24 ± 0.09 (x) 0.04 ± 0.12 (x) –0.04 ± 0.06 (x)
AOAur –0.10 ± 0.00 (1) –0.08 ± 0.08 (3) –0.11 ± 0.11 (4) –0.15 ± 0.16 (11) –0.22 ± 0.00 (1) –0.18 ± 0.08 (5) –0.41 ± 0.11 (106)
AOCMa 0.25 ± 0.00 (1) 0.27 ± 0.00 (1) 0.35 ± 0.00 (1) 0.24 ± 0.15 (5) 0.44 ± 0.11 (2) –0.01 ± 0.26 (5) –0.04 ± 0.13 (35)
APPup 0.06 ± 0.01 (x) –0.05 ± 0.05 (x) –0.11 ± 0.11 (x) –0.09 ± 0.12 (x) 0.23 ± 0.15 (x) –0.14 ± 0.12 (x) –0.15 ± 0.08 (x)
AQCar 0.38 ± 0.00 (1) 0.28 ± 0.10 (3) 0.18 ± 0.19 (4) 0.36 ± 0.11 (2) –0.30 ± 0.10 (106)
AQPup 0.12 ± 0.00 (1) –0.02 ± 0.18 (5) –0.01 ± 0.10 (11) –0.06 ± 0.28 (2) –0.13 ± 0.14 (3) –0.26 ± 0.03 (89)
ATPup 0.29 ± 0.10 (2) 0.19 ± 0.13 (2) –0.20 ± 0.03 (2) –0.04 ± 0.18 (11) –0.15 ± 0.17 (5) –0.22 ± 0.10 (75)
AVSgr 0.09 ± 0.00 (1) 0.73 ± 0.00 (1) 0.59 ± 0.00 (1) 0.41 ± 0.12 (7) 0.75 ± 0.20 (2) 0.43 ± 0.08 (3) 0.26 ± 0.12 (x)
AVTau 0.17 ± 0.00 (1) 0.12 ± 0.09 (2) 0.09 ± 0.23 (3) 0.04 ± 0.18 (10) 0.05 ± 0.00 (1) –0.03 ± 0.09 (5) –0.17 ± 0.11 (86)
AXAur 0.17 ± 0.00 (1) –0.01 ± 0.16 (2) –0.09 ± 0.08 (2) –0.02 ± 0.16 (13) –0.08 ± 0.00 (1) –0.04 ± 0.16 (6) –0.22 ± 0.10 (109)
AXVel 0.13 ± 0.00 (1) 0.12 ± 0.06 (2) 0.20 ± 0.21 (7) 0.38 ± 0.16 (2) 0.03 ± 0.08 (4) –0.15 ± 0.07 (97)
BEMon 0.05 ± 0.00 (1) –0.09 ± 0.05 (2) 0.05 ± 0.12 (4) –0.05 ± 0.14 (12) –0.03 ± 0.00 (1) –0.12 ± 0.12 (5) –0.07 ± 0.09 (106)
BGVel –0.11 ± 0.06 (2) 0.09 ± 0.07 (12) 0.25 ± 0.00 (1) 0.08 ± 0.14 (6) –0.10 ± 0.08 (130)
BKAur 0.32 ± 0.00 (x) –0.03 ± 0.04 (x) 0.16 ± 0.15 (x) 0.41 ± 0.09 (x) 0.05 ± 0.14 (x) –0.07 ± 0.11 (x)
BNPup 0.32 ± 0.08 (2) 0.16 ± 0.16 (2) 0.09 ± 0.20 (5) 0.12 ± 0.18 (12) 0.21 ± 0.00 (1) 0.09 ± 0.19 (5) –0.03 ± 0.10 (128)
BVMon 0.14 ± 0.11 (2) 0.02 ± 0.18 (3) 0.01 ± 0.20 (12) –0.03 ± 0.13 (5) –0.10 ± 0.10 (60)
CSOri –0.03 ± 0.00 (1) –0.18 ± 0.04 (2) –0.09 ± 0.00 (1) –0.20 ± 0.22 (5) –0.29 ± 0.00 (1) –0.20 ± 0.09 (4) –0.19 ± 0.13 (84)
CVMon 0.19 ± 0.00 (1) 0.18 ± 0.01 (2) 0.02 ± 0.09 (4) 0.07 ± 0.17 (13) 0.05 ± 0.00 (1) –0.12 ± 0.13 (3) –0.10 ± 0.13 (111)
DRVel 0.29 ± 0.00 (1) 0.21 ± 0.13 (2) 0.26 ± 0.12 (3) 0.20 ± 0.13 (11) 0.36 ± 0.23 (2) 0.26 ± 0.20 (5) –0.01 ± 0.07 (122)
EKMon 0.05 ± 0.18 (2) 0.02 ± 0.18 (4) –0.06 ± 0.13 (11) –0.15 ± 0.00 (1) –0.04 ± 0.08 (5) –0.05 ± 0.11 (88)
EZVel 0.10 ± 0.00 (x) 0.32 ± 0.00 (x) 0.27 ± 0.12 (x) 0.02 ± 0.15 (x) 0.13 ± 0.17 (x) 0.12 ± 0.21 (x) –0.01 ± 0.11 (x)
HWPup –0.02 ± 0.00 (1) –0.07 ± 0.00 (1) –0.38 ± 0.10 (8) –0.06 ± 0.42 (2) –0.23 ± 0.08 (7) –0.28 ± 0.18 (35)
lCar 0.11 ± 0.13 (x) 0.20 ± 0.11 (x) –0.00 ± 0.00 (x) 0.10 ± 0.20 (x)
MYPup 0.13 ± 0.01 (2) –0.18 ± 0.01 (2) –0.18 ± 0.08 (3) –0.06 ± 0.08 (15) –0.07 ± 0.11 (2) –0.14 ± 0.07 (7) –0.25 ± 0.08 (113)
RSOri 0.40 ± 0.00 (1) 0.10 ± 0.04 (2) 0.16 ± 0.09 (3) 0.12 ± 0.10 (8) 0.29 ± 0.14 (2) –0.06 ± 0.25 (3) –0.14 ± 0.13 (105)
RSPup 0.73 ± 0.00 (1) 0.21 ± 0.00 (1) 0.19 ± 0.06 (2) 0.31 ± 0.08 (10) 0.28 ± 0.01 (2) –0.03 ± 0.00 (1) 0.07 ± 0.09 (104)
RYCMa 0.12 ± 0.00 (x) 0.07 ± 0.00 (x) 0.12 ± 0.16 (x) 0.07 ± 0.11 (x) 0.58 ± 0.00 (x) 0.02 ± 0.10 (x) –0.16 ± 0.09 (x)
RYVel 0.44 ± 0.00 (1) 0.40 ± 0.08 (3) 0.18 ± 0.12 (9) 0.48 ± 0.06 (2) 0.13 ± 0.10 (3) –0.05 ± 0.08 (55)
RZCMa 0.06 ± 0.00 (1) 0.12 ± 0.00 (1) 0.16 ± 0.00 (1) 0.12 ± 0.24 (6) –0.20 ± 0.07 (95)
RZGem 0.04 ± 0.18 (4) –0.14 ± 0.20 (11) –0.29 ± 0.00 (1) –0.22 ± 0.05 (4) –0.44 ± 0.07 (76)
RZVel 0.43 ± 0.00 (1) 0.28 ± 0.12 (8) –0.23 ± 0.25 (2) 0.05 ± 0.10 (77)
STTau 0.08 ± 0.00 (1) 0.11 ± 0.14 (5) 0.08 ± 0.18 (9) 0.17 ± 0.00 (1) 0.06 ± 0.02 (3) –0.14 ± 0.10 (82)
STVel 0.26 ± 0.00 (1) 0.09 ± 0.13 (4) 0.12 ± 0.11 (12) 0.09 ± 0.10 (4) –0.14 ± 0.10 (128)
SVMon –0.08 ± 0.00 (1) 0.12 ± 0.35 (2) –0.02 ± 0.10 (6) –0.27 ± 0.00 (1) –0.10 ± 0.14 (86)
SWVel 0.21 ± 0.00 (1) 0.28 ± 0.00 (1) 0.28 ± 0.09 (2) –0.03 ± 0.10 (4) 0.05 ± 0.00 (1) –0.15 ± 0.08 (66)
SXVel 0.32 ± 0.00 (1) –0.10 ± 0.11 (3) 0.13 ± 0.14 (13) 0.39 ± 0.00 (1) –0.01 ± 0.15 (6) –0.18 ± 0.07 (114)
SYAur 0.35 ± 0.00 (1) 0.16 ± 0.23 (2) 0.01 ± 0.03 (3) 0.12 ± 0.12 (10) 0.23 ± 0.06 (2) 0.06 ± 0.14 (4) –0.13 ± 0.11 (79)
TVel 0.33 ± 0.00 (1) 0.32 ± 0.09 (2) 0.29 ± 0.02 (2) 0.28 ± 0.18 (13) 0.25 ± 0.00 (1) 0.29 ± 0.12 (6) –0.02 ± 0.07 (144)
TWCMa –0.23 ± 0.00 (1) 0.07 ± 0.18 (2) –0.31 ± 0.09 (3) –0.40 ± 0.05 (3) –0.51 ± 0.09 (112)
TWMon 0.35 ± 0.00 (1) 0.13 ± 0.00 (1) 0.14 ± 0.19 (5) 0.05 ± 0.00 (1) 0.34 ± 0.10 (2) –0.15 ± 0.08 (37)
TXMon 0.07 ± 0.00 (1) –0.12 ± 0.08 (2) –0.28 ± 0.30 (5) –0.16 ± 0.10 (14) –0.23 ± 0.08 (2) –0.17 ± 0.11 (8) –0.12 ± 0.10 (99)
TYMon 0.04 ± 0.00 (1) –0.09 ± 0.14 (2) –0.05 ± 0.14 (4) –0.21 ± 0.04 (14) –0.21 ± 0.00 (1) –0.11 ± 0.11 (5) –0.15 ± 0.11 (104)
TZMon 0.10 ± 0.00 (1) 0.19 ± 0.13 (2) –0.06 ± 0.18 (6) –0.01 ± 0.11 (13) 0.09 ± 0.01 (2) 0.22 ± 0.07 (4) –0.04 ± 0.08 (82)
UXCar –0.06 ± 0.00 (1) 0.32 ± 0.06 (2) 0.05 ± 0.06 (9) 0.41 ± 0.01 (2) 0.14 ± 0.10 (4) –0.10 ± 0.07 (111)
UYMon –0.08 ± 0.05 (2) –0.23 ± 0.06 (2) –0.25 ± 0.18 (4) –0.22 ± 0.15 (15) –0.15 ± 0.11 (2) –0.28 ± 0.15 (7) –0.33 ± 0.08 (87)
UZSct 0.86 ± 0.00 (1) 0.40 ± 0.00 (1) 0.47 ± 0.12 (5) 0.23 ± 0.08 (4) 0.35 ± 0.17 (x)
V340Ara 0.47 ± 0.00 (1) 0.44 ± 0.05 (3) 0.80 ± 0.00 (1) 0.38 ± 0.17 (x)
V397Car 0.21 ± 0.09 (2) 0.20 ± 0.16 (8) 0.11 ± 0.00 (1) 0.09 ± 0.12 (4) –0.08 ± 0.09 (113)
V495Mon 0.23 ± 0.10 (2) –0.01 ± 0.17 (3) –0.04 ± 0.00 (1) 0.31 ± 0.13 (4) –0.17 ± 0.15 (58)
V508Mon 0.22 ± 0.00 (1) 0.06 ± 0.09 (2) –0.01 ± 0.13 (3) –0.01 ± 0.17 (11) –0.10 ± 0.00 (1) –0.09 ± 0.18 (5) –0.25 ± 0.07 (76)
V510Mon 0.17 ± 0.00 (1) 0.31 ± 0.00 (1) 0.45 ± 0.00 (1) –0.02 ± 0.13 (7) 0.18 ± 0.20 (2) 0.02 ± 0.21 (3) –0.12 ± 0.13 (60)
VCar 0.31 ± 0.00 (1) 0.23 ± 0.16 (5) 0.20 ± 0.12 (12) 0.26 ± 0.00 (1) 0.31 ± 0.13 (3) –0.06 ± 0.07 (114)
VVel –0.01 ± 0.00 (1) 0.05 ± 0.04 (2) –0.06 ± 0.24 (4) –0.12 ± 0.10 (10) –0.19 ± 0.00 (1) –0.11 ± 0.10 (5) –0.30 ± 0.06 (113)
VXPup –0.11 ± 0.03 (2) –0.16 ± 0.14 (6) –0.12 ± 0.17 (11) 0.06 ± 0.13 (3) –0.10 ± 0.12 (5) –0.15 ± 0.12 (137)
VYCar 0.29 ± 0.00 (1) 0.14 ± 0.00 (1) 0.49 ± 0.18 (9) 0.26 ± 0.00 (1) 0.16 ± 0.10 (4) –0.06 ± 0.06 (91)
VYSgr 0.76 ± 0.13 (2) 0.47 ± 0.00 (1) 0.20 ± 0.12 (2) 0.37 ± 0.05 (6) 0.22 ± 0.10 (5) 0.38 ± 0.17 (x)
VZPup 0.06 ± 0.12 (2) –0.09 ± 0.16 (2) –0.12 ± 0.14 (5) –0.21 ± 0.12 (9) –0.34 ± 0.00 (1) –0.35 ± 0.14 (5) –0.37 ± 0.07 (115)
WWMon 0.13 ± 0.00 (1) –0.09 ± 0.24 (2) –0.02 ± 0.14 (8) –0.16 ± 0.08 (2) –0.26 ± 0.11 (7) –0.32 ± 0.13 (48)
WXPup 0.22 ± 0.02 (2) –0.02 ± 0.10 (5) –0.12 ± 0.14 (10) –0.13 ± 0.28 (2) –0.04 ± 0.08 (5) –0.15 ± 0.09 (110)
XXMon 0.11 ± 0.00 (1) –0.05 ± 0.11 (2) –0.11 ± 0.17 (4) –0.12 ± 0.13 (12) –0.19 ± 0.22 (2) –0.16 ± 0.14 (6) –0.18 ± 0.11 (99)
YAur 0.27 ± 0.00 (1) –0.01 ± 0.21 (2) –0.11 ± 0.20 (5) –0.01 ± 0.20 (13) 0.22 ± 0.02 (2) –0.17 ± 0.10 (6) –0.26 ± 0.12 (88)
YZAur 0.22 ± 0.00 (1) –0.20 ± 0.00 (1) –0.13 ± 0.12 (11) –0.23 ± 0.00 (1) –0.14 ± 0.10 (3) –0.33 ± 0.12 (68)

Notes. The abundances are tabulated together with the rms uncertainties and with the number of lines used. (x) indicates that the final abundance is the mean value of the abundances derived from several spectra.

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